9hundred millions= how much hundred thousands

In numerical expression, 900,000,000.

How much thousands are there?
900,000,000/1000 = 900, 000

How much hundreds are there?
900,000,000/100 = 9,000,000

Example:
The correct statement or mathematical expression in the choices given is: 
900 is 100 times as much as 9. 
Because if you multiply 9 x 100 (100 times as much as 9) = 900. 

Hence, 
1.   1/10 of 100 = 10 
2.   1000 times as much as 90 or 1000 x 90 = 90, 000 
3.   9 is 1/10 of 900 or 900 is divided by 10: 900 / 10 = 90 

The anwser is 90 because 9,000,000 ÷ 100,000=90